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Minimum Distance-Based Detection of Incipient Induction Motor Faults Using Rayleigh Quotient Spectrum of Conditioned Vibration Signal
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- Samanta, Anik Kumar (author)
- IIT Kharagpur, Adv Technol Dev Ctr, Kharagpur 721302, W Bengal, India.
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- Routray, Aurobinda (author)
- IIT Kharagpur, Dept Elect Engn, Kharagpur 721302, W Bengal, India.
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- Khare, Swanand R. (author)
- IIT Kharagpur, Dept Math, Kharagpur 721302, W Bengal, India.
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- IIT Kharagpur, Adv Technol Dev Ctr, Kharagpur 721302, W Bengal, India IIT Kharagpur, Dept Elect Engn, Kharagpur 721302, W Bengal, India. (creator_code:org_t)
- Institute of Electrical and Electronics Engineers (IEEE), 2021
- 2021
- English.
- In: IEEE Transactions on Instrumentation and Measurement. - : Institute of Electrical and Electronics Engineers (IEEE). - 0018-9456 .- 1557-9662. ; 70
- Journal article (peer-reviewed)
Abstract
Subject headings
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- In this article, we propose a single-vibration sensor-based method for detecting incipient faults in squirrel cage induction motors (SCIMs). We consider defects in different parts of the bearing (inner raceway, outer raceway, cage train, and rolling element) and in a single bar of the rotor. The vibration signal is dominated by the fundamental rotational frequency and its harmonics. The dominant components result in numerical errors while estimating the relatively indistinct fault-specific spectral components. In this article, we precondition the vibration signal by suppressing multiple dominant components using an extended Kalman filter-based method. The suppression of the dominant components reduces the spectral leakage, exposes minute fault components, and improves the overall amplitude estimation. Subsequently, we estimate the fault frequency and amplitude using an accurate and low-complexity Rayleigh-quotient-based spectral estimator. The thresholds for fault detection are determined from a small number of healthy data, and an adaptive minimum distance-based detector is used for hypothesis testing. The proposed test improves detection and reduces false alarms under noisy conditions. We test the complete algorithm using data from a 22-kW SCIM laboratory setup. The proposed method has achieved 100% accuracy with the publicly available 12-kHz drive-end bearing data from Case Western Reserve University, Cleveland, OH, USA.
Subject headings
- TEKNIK OCH TEKNOLOGIER -- Elektroteknik och elektronik -- Signalbehandling (hsv//swe)
- ENGINEERING AND TECHNOLOGY -- Electrical Engineering, Electronic Engineering, Information Engineering -- Signal Processing (hsv//eng)
Keyword
- Fault diagnosis
- hypothesis testing
- incipient faults
- Kalman filter
- Rayleigh quotient
- signal conditioning
- spectral estimation
- squirrel cage induction motor (SCIM)
- vibration analysis
Publication and Content Type
- ref (subject category)
- art (subject category)
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